Home / 19,355.10-29,032.40-6,868.25

Finding the Fourth Proportional to 19,355.10, 29,032.40 and 6,868.25

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Solution

The fourth proportional to 19,355.10, 29,032.40 and 6,868.25 is: 10,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.10 : 29,032.40 = 6,868.25 : x
  2. Step 2: Convert to fraction form
    19,355.10/29,032.40 = 6,868.25/x
  3. Step 3: Cross multiply
    19,355.10x = 29,032.40 × 6,868.25
  4. Step 4: Simplify right side
    19,355.10x = 199,401,601.80
  5. Step 5: Solve for x
    x = 199,401,601.80/19,355.10
  6. Step 6: Final answer
    x = 10,302.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.